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Occlusal contact patterns--population-based data.

Daniel Hützen1, Peter Proff, Tomas Gedrange

  • 1Poliklinik für zahnärztliche Prothetik, Alterszahnheilkunde und medizinische Werkstoffkunde, Zentrum für Zahn-, Mund- und Kieferheilkunde, Ernst-Moritz-Arndt Universität Greifswald, Rotgerberstrasse 8, D-17475 Greifswald, Germany. huetzen@uni-greifswald.de

Annals of Anatomy = Anatomischer Anzeiger : Official Organ of the Anatomische Gesellschaft
|August 19, 2007
PubMed
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Properly reconstructed occlusal contacts are crucial for dental prosthetics. Many fixed and removable denture teeth lack necessary occlusal contacts, indicating a need for improved fabrication and inspection.

Area of Science:

  • Dentistry
  • Prosthodontics
  • Biomaterials

Background:

  • Functionally appropriate occlusal contacts are essential for successful prosthetic-restorative dental work.
  • Assessing occlusal contact distribution in a large population is key to understanding prosthetic success rates.

Purpose of the Study:

  • To analyze the static occlusal contacts in a population-based sample.
  • To identify the prevalence of missing occlusal contacts in fixed and removable dental prostheses.

Main Methods:

  • Utilized the Greifswald Digital Analyzing System (GEDAS) for digital analysis of silicone bite impressions.
  • Registered and analyzed static occlusal contacts in a population sample of 2597 subjects.

Main Results:

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  • The average number of contacting teeth was similar on the left (8.3) and right (8.4) sides.
  • A significant percentage of prosthetic teeth lacked occlusal contact: 39% of maxillary bridge pontics, 33% of mandibular bridge units, 41% of maxillary removable denture teeth, and 39% of mandibular removable denture teeth.

    • Conclusions:

    • Fabrication of fixed dental prostheses, especially bridge pontics, requires greater attention to occlusal detail.
    • Inspection of removable dentures must be more rigorous regarding occlusal contact accuracy.